Identify the sentence which contains a coordinating connection. a.) After we realized my sister had outgrown her running shoes, we drove to the shoe store.

b.) Although she had purchased new running shoes two months before, her feet measured a full size bigger now.

c.) As a result, she decided to buy shoes which were a size and a half bigger than her old pair.

d.) She tried on several pairs, and she chose a blue and grey pair to replace her old shoes.

it should be a and d. lmk if i'm wrong xd

555.99.

step-by-step explanation:

hope this

, and

for

step-by-step explanation:

we can analyze the pattern at which the terms increase. let us denote , , , so that we can call

note the following:

the pattern: to get the next term value, we just add the next term number (e.g. 1st, 2nd, to the previous term value (term values are the given numbers in the question, 1, 3, 6, 10, 15,

from , to get to , we add

from , to get to , we add

etc.

we need to form a recursive formula, a formula that has the next term as a function of the previous term. so a possible recursive formula can be

, and for